The sex organs of a green alga Chara are the male antheridia (red) and female archegonia (brown). A sex organ or reproductive organ, primary sex organ, or primary sexual characteristic, is any anatomical part of the body in a complex organism that is involved in sexual reproduction and together constitute the reproductive system. The external and visible organs, in males and females, are the primary sex organs known as the genitals or genitalia.
demit definition: Demit is defined as to quit or fire. (verb) An example of demit is to leave one's job after 10 years....
demilune. 1  a crescent. 2  Fortification. an outwork resembling a bastion with a crescent-shaped gorge. 3  a crescent or half-moon shape, as of the top of a piece of furniture. 4  shaped like a crescent.